GB2110457B - Magnetic head assembly - Google Patents

Magnetic head assembly

Info

Publication number
GB2110457B
GB2110457B GB08227466A GB8227466A GB2110457B GB 2110457 B GB2110457 B GB 2110457B GB 08227466 A GB08227466 A GB 08227466A GB 8227466 A GB8227466 A GB 8227466A GB 2110457 B GB2110457 B GB 2110457B
Authority
GB
United Kingdom
Prior art keywords
magnetic head
head assembly
assembly
magnetic
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08227466A
Other versions
GB2110457A (en
Inventor
Shinji Furuichi
Shigetoshi Morita
Shunichi Taka
Hirohisa Suwabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of GB2110457A publication Critical patent/GB2110457A/en
Application granted granted Critical
Publication of GB2110457B publication Critical patent/GB2110457B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • G11B5/1335—Assembling or shaping of elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • G11B5/2651—Manufacture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • Y10T29/49057—Using glass bonding material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49067—Specified diverse magnetic materials
GB08227466A 1981-10-07 1982-09-27 Magnetic head assembly Expired GB2110457B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56159595A JPS5860423A (en) 1981-10-07 1981-10-07 Magnetic head device

Publications (2)

Publication Number Publication Date
GB2110457A GB2110457A (en) 1983-06-15
GB2110457B true GB2110457B (en) 1985-11-06

Family

ID=15697128

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08227466A Expired GB2110457B (en) 1981-10-07 1982-09-27 Magnetic head assembly

Country Status (4)

Country Link
US (1) US4506308A (en)
JP (1) JPS5860423A (en)
DE (1) DE3236266A1 (en)
GB (1) GB2110457B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4642719A (en) * 1982-02-18 1987-02-10 Hitachi Metals, Ltd. Magnetic head assembly
JPS6016312U (en) * 1983-07-13 1985-02-04 アルプス電気株式会社 magnetic head unit
JPS6061910A (en) * 1983-09-16 1985-04-09 Mitsubishi Electric Corp Magnetic head assembly
CA1247737A (en) * 1984-03-16 1988-12-28 Yoshihiko Kawai Magnetic head
JPS61196412A (en) * 1985-02-27 1986-08-30 Mitsubishi Electric Corp Magnetic head and its manufacture
JPS6222411A (en) * 1985-07-22 1987-01-30 Hitachi Metals Ltd Nonmagnetic substrate material and magnetic head
JPH04232610A (en) * 1990-10-02 1992-08-20 Internatl Business Mach Corp <Ibm> Information reading and writing apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3842494A (en) * 1969-03-11 1974-10-22 Matsushita Electric Ind Co Ltd Multichannel magnetic ferrite head and a method for making the same
US4048714A (en) * 1975-06-12 1977-09-20 Huntt Robert L Glass bonding of manganese-zinc ferrite
JPS51147312A (en) * 1975-06-13 1976-12-17 Canon Inc Magnetic head
US4110804A (en) * 1977-07-21 1978-08-29 International Business Machines Corporation Read/write and tunnel erase magnetic head assembly
US4172318A (en) * 1977-08-17 1979-10-30 Huntt Robert L Method of joining manganese zinc ferrite pole pieces
JPS55125519A (en) * 1979-03-23 1980-09-27 Hitachi Ltd Magnetic head
US4276574A (en) * 1979-12-06 1981-06-30 International Business Machines Corporation Read/write and tunnel erase magnetic head assembly
JPS56156920A (en) * 1980-04-30 1981-12-03 Toshiba Corp Composite magnetic head and its production

Also Published As

Publication number Publication date
JPS6327771B2 (en) 1988-06-06
GB2110457A (en) 1983-06-15
JPS5860423A (en) 1983-04-09
US4506308A (en) 1985-03-19
DE3236266A1 (en) 1983-04-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee